#include <iostream.h>
#include <deque>

using namespace std;

int main()
{
	deque<int> d;
	int i;
	cout << "Current size: " << d.size() << endl;
	for (i=0;i<6;i+=2)
	{
		d.push_front(i);
		d.push_back(i+1);
	}
	cout << "Current size: " << d.size() << endl;
	for (i=0;i<d.size(); i++)
	{
		cout << d[i] << endl;
	}

}